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US2729592A
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Air sweetening process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-02-03
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Granted: 1956-01-03
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Expires: 1973-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward J Niehaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PROCESS FOR SWEETENING GASOLINE CONTAINING SUBSTANTIAL PROTIONS OF CRACKED STOCKS IN WHICH THE GASOLINE IS CONTACTED WITH AIR IN THE PRESENCE OF A PHENYCLENEDIAMINE INHIBITOR AND AMMONIA.
Claim 2
Dependent Claim
28 words
A PROCESS FOR SWEETENING GASOLINE CONTAINING SUBSTANTIAL PROTIONS OF CRACKED STOCKS IN WHICH THE GASOLINE IS CONTACTED WITH AIR IN THE PRESENCE OF A PHENYCLENEDIAMINE INHIBITOR AND AMMONIA.
References Cited (Backward Citations)
US2616831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |